Researchers find that blood pressure medications impact brain function

Published in Science, University of Minnesota Medical School researchers found that blood pressure medications have an unanticipated effect on the brain.

The research team discovered that drugs used to treat blood pressure unexpectedly increase the effect of opioids that the brain naturally produces. This can fine-tune the function of a specific brain circuit and counteract the addictive properties of opiates like fentanyl, which are used to treat pain.

“Our findings suggest a new strategy to boost opioid signaling in the brain in a way that is protective and beneficial, with a very low risk of dependence or addiction,” said Patrick Rothwell, Ph.D., an assistant professor of neuroscience at the U of M Medical School and Medical Discovery Team on Addiction.

The study focused on angiotensin-converting enzyme (ACE), which has long been known to regulate blood pressure. However, little is known about the function of ACE in the brain.

Based on the study findings, Rothwell recommends further research on ACE inhibitors, a safe class of drugs used to control blood pressure. ACE inhibitors have the potential to be redesigned to treat brain conditions.

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